Textile drawing mechanisms



Apr'il'ZB, 1957 I I E. DAUSCH TEXTILE DRAWING MECHNISMS 2 Sheets-Shea?l l Filed Dec. 7, 1955 United States Patent O TEXTILE DRAWING MECHANISMS Erwin Dausch, Esslingen, Neckar, Germany, assignor to SKF Kugellagerfabriken G. m. b. H., Schweinfurt, Germany Application December 7, 1955, Serial No. 551,696

Claims priority, application Germany December 8, 1954 14 Claims. (Cl. 19-135) The present invention relates to textile drawing mechanisms and more particularly to textile drawing mechanisms which include a set of top belts guided by a top belt cage and cooperating with `a set of top rolls of the drawing mechanism.

In textile drawing mechanisms `of this type the top belt cage is loosely connected to the top roll .loading means and has a certain amount of play which sometimes results in improper alignment of the top belt cage with respect to the remainder of the drawing mechanism. Such improper alignment results in undesirable operation of the drawing mechanism.

One of the objects of the present invention is to provide a top roll loading means and a top belt cage which cooperate with each other in a manner which guarantees proper alignment of the top belt cage.

Another object of the present invention is to guarantee this proper alignment of the top belt cage While at the same time providing the top belt cage with the necessary freedom of movement with respect to the top roll loading means.

A further object of the present invention is to provide an arrangement where proper alignment of the top belt cage is assured and at the same time a spring for urging the top belt cage downwardly toward the drawing belt is unnecessary. An ladditional object of the present invention is to provide an arrangement where the top belt cage cooperates with a saddle member of the top roll loading means in a manner enabling this -saddle member and cage to retain the shaft of the top rolls cooperating with the saddle member in its operating position while at the same time guaranteeing proper alignment of the top belt cage.

Also, the objects of the present invention include the 'provision of a structure capable of accomplishing the above objects `and at the same time being ruggedly and simply constructed and reliable in operation.

With the above objects in View the present invention mainly consists of a textile drawing mechanism which includes a top roll loading means provided with a saddle member. A top belt cage member cooperates with this saddle member, and a guide means is formed in part by the cage member and in part by the saddle member for guiding the cage member for turning movement with respect to the saddle member substantially about the axis of the top rolls which cooperate with the saddle member.

s The novel features which are considered as characteristic for the invention are set forth in particular in the appended claims. The invention itself, however, both as to its construction and its method of operation, together with additional objects and advantages thereof, will be best understood from the following description of specific embodiments when read in connection with the accompanying drawings, in which:

` Fig. l1 is a fragmentary partly sectional side elevational 'view' of a textile drawing mechanism including the struclture of the present invention, Fig. 1 being takenalong Patented Apr. 23, 1957 2 line 1-1 of Fig. 2 in the direction of the arrows and being turned through with respect to Fig. 2;

Fig. 2 is a view of the top rolls loading means and top belt cage of Fig. 1 as seen from the underside of Fig. 1;

Fig. 3 is a side elevational view of an arm of the top roll loading means which includes the saddle member of the present invention;

Fig. 4 is a sectional view taken along line 4--4 of Fig. 3 in the direction of the arrows;

Fig. 5 is a fragmentary perspective view of the saddle member according to the present invention;

Fig. 6 is a perspective view of the .top belt cage member according to the present invention;

Fig. 7 is a sectional elevational view taken along line 7 7 of Fig. 1 in the direction of the arrows;

Fig. 8 is a fragmentary view illustrating the top belt cage of Fig. 1 in a position where the top rolls cooperating with this cage are adapted to' be released;

Fig. 9 is a sectional elevational view corresponding to Fig. 7 of a diiferent embodiment of the present invention;

Fig. 10 isa sectional fragmentary side elevational view of la third embodiment of the present invention;

Fig. l1 is a fragmentary side elevational view of another embodiment of the present invention;

Fig. 12 shows the structure of Fig. 11 in a different position; and

Fig. 13 is a fragmentary sectional view taken along line 13--13 of Fig. l1 in the direction of the arrows.

Referring now to the drawings, and to Fig. 1-8 which illustrate one embodiment of the invention, it will be seen that a top roll loading means includes the elongated channel member 1 which is open at its bottom and which is adapted to be located in a known manner or is adapted to be retained in the operating position indicated in Fig. 1 with a releasable catch mechanism or the like. The channel member 1 is provided with a pivot pin 3 which exitends between its side walls, and an elongated member 2 is provided with downwardly extending lugs through which the pivot pin 3 extends, so that the member 2 is turnable upon the pivot pin 3, in the manner indicated in Figs. 1 and 2, the member 2 being located between the side walls of the channel member 1. The member 2 extends forwardly over the horizontally extending lower portion of a stop member 4 of substantially lv.shaped lcross section, as indicated in Fig. 1, so that when the member 1 is raised to an inoperative position, the downward movement of the member 2 will be limited by engagement with the stop 4.

The member 2 is provided with a pair of downwardly extending lugs 5 which carry a pivot pin 6 extending between these lugs 5, and an elongated arm 7 is pivlotally carried by this pivot pin 6 in the manner indicated in Figs. l and 2. The member 7 is provided intermediate its ends with a pair of downwardly extending walls forming from the member 7 saddle member 8a. Adjacent its forward end the arm 7 is provided with a saddle member 9 formed by downwardly extending wall portions integral with the arm 7. The saddle member 8a coopertateswith a set of top rolls 10 having their shaft engaged by the saddle member 8a in a well known manner, and a front set of top rolls 11 cooperates with theV saddle member 9. Springs 12 cooperate with the channel member 1 and the arm 7 for urging the ltop rolls 10 and 11 downwardly, in the manner indicate-d in Fig. l, when the channel member 1 is in the operating position indicated in Fig. l, these top rolls 10 and 11 are cooperating with bottom rolls, in the manner indicated in dot-dash lines in Fig. 1. v H

i The front wall of the channel member 1 `is provided with an inwardly extending bottom ange 13 over which the proections 15d of the saddle member 8d. As may be seen from Fig. 12, when the cage member is turned upwardly to a position where the projections 15d register with the cutouts into which they extend, then the shaft of the top rolls is surrounded by less than 180, and

in this position the top rolls can be easily removed. A

stop 29 is provided on the wall 20d of the cage 16d` to cooperate with the stop 30 fixed to the arm 7, in the manner indicated in Fig. l2, to accurately locate the cage member in the position where the projections d register with the cutouts into which they extend. Once the set of top rolls is placed in their operating position, then simply by returning the cage member to the operating position thereof indicated in Fig. 11, the shaft of the top rolls will be retained in its operating position.

It will be understood that each of the elements described above, or two or more together, may also iind a useful application in other types of textile drawing mechanisms differing from the types described above.

' While the invention has been illustrated and described as embodied in textile drawing mechanisms having guides fora -top belt cage, it is not intended to be limited to the details shown, since various modifications and structunal changesl may be made without departing in any way from the spirit of the present invention.

Without further analysis, the foregoing will so fully reveal the gist of the present invention that others can by applying current knowledge readily adapt it for various applications without omitting features that, from the standpoint of prior art, fairly constitute essential characteristics of the generic or specific aspects of this invention and, therefore, such adaptations should and are' intended to be comprehended within the meaning and range of equivalence of the following claims.

What is claimed as new and desired to be secured by Letters Patent is:

1. In a textile drawing mechanism, in combination, top roll loading means including a saddle member; a top belt cage member; and guide means formed in part by said saddle member and in part by said cage member for guiding the latter for turning movement with respect to said saddle member about the axis of the top rolls engaged by said saddle member.

2. In a textile drawing mechanism, in combination, top roll loading means including a saddle member having a pair of opposed outer side faces; a top belt cage member having a pair of falls between which said saddle member is located, said faces of said saddle member being respectively parallel to and adjacent said walls; and guide means located at said walls and said faces of said saddle member for guiding said cage member for turning movement with respect to said saddle member about the axis of the top rolls engaged by said saddle member.

3. In a textile drawing mechanism, in combination, top roll loading means including a saddle member; a top belt cage member located next to said saddle member; a pair of arcuate guide portions fixed to and extending from one of said members; and a pair of arcuate surfaces forming part of the other of said members and respectively in sliding engagement with said arcuate guide portions for guiding said cage member for turning movement with respect to said saddle member about the axis of the top rolls which are engaged by said saddle member.

4. In a textile drawing mechanism, in combination, top roll loading means including a saddle member having a pair of opposed side faces; a pair of arcuate guide portions ixed to and extending from said side faces, respectively, of said saddle member and being open at Ithe bottom; and a top belt cage member having a pair of walls formed with arcuate edge portions respectively in sliding engagement with said guide portions fixed to said saddle member so that said cage member is guided for turning movement with respect to said saddle member about the axis of the top rolls engaged by said saddle member.

5. In a textile drawing mechanism, in combination, top

roll loading means including a saddle member having pair of opposed side faces; a pair of arcuate guide portions lixed to and extending from said side faces, respectively, of said saddle member and being open at the bottom; and a top belt cage member having a pair of walls formed with arcuate edge portions respectively in sliding engagement with said guide portions iixed to said saddle member so that said cage member is guided for turning movement with respect to said saddle member about the axis of the top rolls engaged by said saddle member, said guide portions and said arcuate edge portions of said walls of said cage member extending through approximately about said axis.

6. In a textile drawing mechanism, in combination, top roll loading means including a saddle member; a top belt cage member having a pair of walls between which said saddle member is located; and a pair of arcuate guide portions xed to said walls of said cage member, extending toward each other, and slidably engaging arcuate portions of said saddle member for guiding said cage member for turning movement with respect to said saddle member about the axis of the top rolls which cooperate with said saddle member.

7. In a textile drawing mechanism, in combination, top roll loading meansv including a saddle member having a pairV of opposed side faces; a pair of arcuate guide portions xed to and extending outwardly from said side faces of said saddle member, said guide portions having outer arcuate guide surfaces forming part of a cylinder whose axis is displaced forwardly from the axis of the top rolls which cooperate with said saddle member; and a top belt cage member having a pair of walls between which said saddle member is located formed respectively with arcuate edge portions which respectively are in sliding engagement with said outer arcuate surfaces of said guide portions, whereby said cage member is turnable with respect to said saddle member about an axis displaced forwardly from the axis of the top rolls which cooperate with said saddle member and whereby said cage member is guided for turning movement with respect to said saddle member.

8. In a textile drawing mechanism, in combination, top roll loading means including an arm and a saddle member fixed to and extending downwardly from said arm; top belt cage means cooperating with the top rolls which cooperate with the saddle member; guide means formed in part by said top roll cage means and in part by said saddle member for guiding said top belt cage means for turning about said saddle member; and means xed to said arm for limiting the turning movement of said cage means.

9. In a textile drawing mechanism, in combination, top roll loading means including an arm and a saddle member fixed to and extending downwardly from said arm; top belt cage means cooperating with the top rolls which cooperate with the saddle member; guide means formed in part by said top roll cage means and in part by said saddle member for guiding said top belt cage means for turning about said saddle member; and means lixed to said arm for limiting the turning movement of said cage means, said limiting means being in the form of a wall portion of said cage means formed with a cutout and an elongated member iixed to said arm, extending downwardly and freely through said cutout, and having an enlarged bottom head end of a size larger than the width of said cutout located beneath said wall portion of said cage means.

l0. In a textile drawing mechanism, in combination, top roll loading means including a saddle portion adapted to cooperate with top rolls having a predetermined axis; top belt cage means cooperating with said saddle portion; and guide means formed in part by said top belt cage means and in part by said saddle portion for guiding said cage means for turning movement with respect to said saddle portion substantially about said axis,

7 .1.1....In..,e.f;te. ile..f,lr,ewias.inechaaisai, ic ccmbiaaiica, eens i. .cludaeesaddlcmember having .elseif cf leppescdgsi elwalhporticris; ,a tcp .beltcage er,h^1..i3g apzair of wfavll (portions between and adjacent 'which said Icall portions cf ,Seid Saddle 111cmber are iQ'caicd, @neef-.said pair cf walipcrticns beine rimmed respectively .withaa .pairf .arcuate cutcuts .and .thercthercf theiiair ef Walifpcrtionsibeiisg respectively proyidedgwithapair of arcuate extensionsvextending into l:and lsubstantially.filling said cutouts,.respective1y, so Athat Vrsaid ,saddle :memberand cage memberare turnable with .respect .tceeech other Substantially `about the axis f the Vtop rolls engagedfby l. said. saddle member, said, cage memberbeng turna-.ble V:with respect tosaid saddle mem- ;benfrcme .position whcresaisi arcueteprcieciicns and @renate touts arelocated in vthe sameangular position `to .Fapo tion where sai'dicutmlts extend beyond said "n ,p nsand-thelportionsof said ,wallsfiorrned Wlthtsaid V`C outs and extensions extend through more than' 178.0", .sotliat (a shafty of thetop rolls which cooperate with y s aidsaddle.,member wilLbesheld in `position by .5,251,151paddlememberandsaidcage member.

12. In a textile drawing mechanism, in combination, top roll. loading means including a .saddle member having .a'gpairpf opposed `side wall'portions; a top ,-beltcage 11i@ ,beha'vllga lpair Aof wall lportions between ,and t`a,'5'ijac ev 1;lt'which saidwallportvons of said saddle member are `l'ooated, `one YYof said pair of wall portions being formed respectivelywitlravpairvof arcuate cutouts and ltfhetlotherof Ithe painowallportions being respectively prroid,ed with apairgofuarcuate exteusionsfextending into klandQsubstarxtially lling saidcutouts, respectively,r s o `that die Amember andcage. rnemberfare turnable with vrespect., toeachv other` substantially about the axis ofthe epici-1S. .engaged by. ,Said Saddlemember, said cage memberlbleing .turnable `witxhrespvect to saidsaddle member l from a p QSition wherey said arcuate projections and arcuatevcnto/utsarelocated in thesame .angularposition to i. awpos'itionriwhere said cutoutsextend beyondsaidarcuate extensions andthe Aportions of said Walls.formed with said cutouts and extensions extend tliroughmore than .ae/sepan .180", ESO @amenait .ci.tcptrails:whichcwmicie .wirhsad saddl membenwiiibe. heid in-.p ,saddle 111cm,

tcp, .rc11110adingmeens'-including asaddle member-:having a pair .ofr oppositedownwardlyfdireeted.. arcuate-portiQiS provided with outwardly. extending. .arcuate projections;

Tand a top belt cage rnen'iberl4 having a pairo'r .wall portions formed with lower areuate edge'iportionslhavng carcuate cutouts, Y respectively, A into whichfsaidprojections slidably lextend, 5rsla'id wallof said cage memberrcoyeringthe outer side facesg-v v f l said y projections andi Said `.prpje'ctions and cutouts beiiiamcvabiefrcm .c rcsiiicn 4.Where .they register with. eachother'. to., av .position where they.v extend beyond each other to. more than 14. InQaftextile-fdrawing mechanism, `in ,QQIAIEbiQn ich-extends in Aa direction substantially parallel to. thel drawing vvplane in .the creriinefpcsiiicn. cfrtheatcp 110.11 idadiiizfmcans and i esadldle pcriiciiiiaviage reir ci eppcsedI A.Side fwalis extending `do,fwfnwardly. from. said arm and formedwith a pair 0f arcuate cutouts .atthe lower edgeof -saidfsaddle portion wallsg, a .top belt v.cage member. havingr .a -pair of .walls :between .andadjacent ,whieh said .saddleY-porltion .Wallslarealolcated said, cage .walls .Aalso Yhaving -arcuate cutouts .wi-formed" their bottomedgels, v respectiyely; and

cutouts fhetecfffcr :guiding-saidrcaeemember V.fon-.awning h respecttoseidsaddle pertionsubstantially k Wsoftheflopxollswhichacooperatefzwith the saddle portion.

ReferencesCited in theifile of this patent UNlTEDfsTiATasrPA'rENrs 

